Which of the following array element will return the top-of-the-stack-element for a stack of size N elements(capacity of stack > N)?

Which of the following array element will return the top-of-the-stack-

1.	Which of the following array element will return the top-of-the-stack-element for a stack of size N elements(capacity of stack > N)?
A.	S[N-1]
B.	S[N]
C.	S[N-2]
D.	S[N+1]
Answer» B.